Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Thunderbolt: Mark the XDomain as unplugged when the router is removed. I noticed that when we perform discrete host-router NVM upgrades, and the router is hot-unplugged due to NVM firmware authentication issues, if there are othe...

Linux Distros Unpatched Vulnerability : CVE-2026-80990

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a...

CVE-2026-80990

A flaw was found in the Linux kernel's Thunderbolt networking driver. An issue in the tbnetconnectedwork function can lead to a resource leak. When an unexpected HopID is allocated during an XDomain connection, the ID is not properly released, causing it to remain active without a reference. This...

DEBIAN-CVE-2026-80990

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

CVE-2026-80990

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

UBUNTU-CVE-2026-80990

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

CVE-2026-80990

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

CVE-2026-80990

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

CVE-2026-80990 net: thunderbolt: Release the Rx HopID that was handed out on mismatch

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

EUVD-2026-76313

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tbxdomainallocinhopid passes the wanted HopID to idaallocrange as the lower bound, so a taken id is not an error there: the allocator returns the next free on...

flash-xdomain-xploit

Author: Gursev Singh Kalra [email protected] Bypassing Same Origin Policy with Flash and Insecure crossdomain.xml Compiling and deploying the Proof of Concept ActionScript code 1. Download and install Apache Flex SDK. It comes with an ActionScript compiler. 2. Copy the ActionScript code to...

PT-2026-90120

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tb xdomain alloc in hopid passes the wanted HopID to ida alloc range as the lower bound, so a taken id is not an error there: the allocator returns the next...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: A memory leak has been fixed in tbnetopen. When tbringallocrx fails in tbnetopen, the memory allocated in tbxdomainallocouthopid is not released. Add tbxdomainreleaseouthopid to the error path to release the...

SUSE CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

UBUNTU-CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

CVE-2026-74691 net: thunderbolt: Tear down DMA paths before stopping the rings

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

CVE-2026-74691

CVE-2026-74691 is a teardown ordering bug in the Linux kernel Thunderbolt network driver (net: thunderbolt / tbnet). The driver stops its DMA rings and frees frame buffers before deactivating the high-speed DMA paths, but the setup path was previously fixed to enable paths last. Teardown was neve...

CVE-2026-74691 net: thunderbolt: Tear down DMA paths before stopping the rings

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...